def v_exp2(self, exp, instr, f, chk):
# TODO: create subfunctions to simplify this mess
# check_test_condition = lambda l,c: not (isinstance(l, Types.Normal) and c)
if isinstance(exp, Types.Const):
if isinstance(exp, Types.Normal) and chk: return exp
l1 = self.parse_const(exp)
s = self.check_sec(l1)
if s is not None:
s_label = self.build_symbol(exp)
loc1 = get_loc(instr)
if not self.has_data(l1):
reassemble.data_set[l1] = ''
self.label.insert(0, (s.sec_name, l1))
self.c2d_addr.insert(0, loc1.loc_addr)
return Types.Label(s_label)
if self.check_text(l1):
s_label = self.build_symbol(exp)
loc1 = get_loc(instr)
if not self.has_text(l1):
reassemble.text_set[l1] = ''
self.deslist.insert(0, s_label)
self.deslist_reloc.insert(0, loc1.loc_addr)
return Types.Label(s_label)
if self.check_plt(l1):
return Types.Label(self.build_plt_symbol(exp))
elif isinstance(exp, Types.Symbol):
if isinstance(exp, Types.JumpDes):
if self.check_text(exp):
s_label = 'S_' + dec_hex(exp)
if not self.has_text(exp):
reassemble.text_set[exp] = ''
self.deslist.insert(0, s_label)
return Types.Label(s_label)
elif isinstance(exp, Types.StarDes):
return Types.StarDes(self.v_exp2(exp.content, instr, f, chk))
elif isinstance(exp, Types.CallDes):
fn = exp.func_name[2:]
is_dig_loc = False
try:
addr = int(fn, 16)
is_dig_loc = True
except:
self.symbol_list.insert(0, exp.func_begin_addr)
if is_dig_loc:
if self.check_text(addr):
s_label = 'S_' + dec_hex(addr)
if not self.has_text(addr):
reassemble.text_set[addr] = ''
self.deslist.insert(0, s_label)
return Types.Label(s_label)
elif isinstance(exp, Types.Ptr):
if isinstance(exp, (Types.BinOP_PLUS, Types.BinOP_MINUS)):
r, addr = exp
s = self.check_sec(addr)
if s is not None:
s_label = 'S_' + dec_hex(addr)
loc1 = get_loc(instr)
if not self.has_data(addr):
reassemble.data_set[addr] = ''
self.label.insert(0, (s.sec_name, addr))
self.c2d_addr.insert(0, loc1.loc_addr)
return Types.BinOP_PLUS_S((r, s_label)) \
if isinstance(exp, Types.BinOP_PLUS) \
else Types.BinOP_MINUS_S((r, s_label))
elif isinstance(exp, (Types.FourOP_PLUS, Types.FourOP_MINUS)):
r1, r2, off, addr = exp
s = self.check_sec(addr)
if s is not None:
s_label = 'S_' + dec_hex(addr)
loc1 = get_loc(instr)
if not self.has_data(addr):
reassemble.data_set[addr] = ''
self.label.insert(0, (s.sec_name, addr))
self.c2d_addr.insert(0, loc1.loc_addr)
return Types.FourOP_PLUS_S((r1,r2,off,s_label)) \
if isinstance(exp, Types.FourOP_PLUS) \
else Types.FourOP_MINUS_S((r1,r2,off,s_label))
elif isinstance(exp, Types.JmpTable_PLUS):
addr, r, off = exp
s = self.check_sec(addr)
if s is not None:
s_label = 'S_' + dec_hex(addr)
loc1 = get_loc(instr)
if not self.has_data(addr):
reassemble.data_set[addr] = ''
self.label.insert(0, (s.sec_name, addr))
self.c2d_addr.insert(0, loc1.loc_addr)
return Types.JmpTable_PLUS_S((s_label, r, off))
if self.check_text(addr):
s_label = 'S_' + dec_hex(addr)
loc1 = get_loc(instr)
if not self.has_text(addr):
reassemble.text_set[addr] = ''
self.deslist.insert(0, s_label)
self.deslist_reloc.insert(0, loc1.loc_addr)
return Types.JmpTable_PLUS_S((s_label, r, off))
elif isinstance(exp, Types.JmpTable_MINUS):
addr, r, off = exp
s = self.check_sec(addr)
if s is not None:
s_label = '-S_' + dec_hex(addr)
loc1 = get_loc(instr)
if not self.has_data(addr):
reassemble.data_set[addr] = ''
self.label.insert(0, (s.sec_name, addr))
self.c2d_addr.insert(0, loc1.loc_addr)
return Types.JmpTable_MINUS_S((s_label, r, off))
if self.check_text(addr):
s_label = '-S_' + dec_hex(addr)
loc1 = get_loc(instr)
if not self.has_text(addr):
reassemble.text_set[addr] = ''
self.deslist.insert(0, s_label)
self.deslist_reloc.insert(0, loc1.loc_addr)
return Types.JmpTable_MINUS_S((s_label, r, off))
return exp
